//
//  UIBarButtonItem+Extension.swift
//  Weibo
//
//  Created by 李振兴 on 15/10/28.
//  Copyright © 2015年 李振兴. All rights reserved.
//

import UIKit
extension UIBarButtonItem{
    convenience init(imageName:String,target:AnyObject?,actionName: String?) {
               let button = UIButton(imageName: imageName, backImageName: nil)
        if let actionName = actionName {
            button.addTarget(target, action: Selector(actionName), forControlEvents: .TouchUpInside)
        }
        
        self.init(customView: button)

    }
}
